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Something similar might be said about “The Maniac,” Benjamín Labatut’s new novel, whose designated Prometheus is the Hungarian-born polymath John von Neumann, a pioneer of A.I. as well as an originator of game theory.

both narratives are grounded in fact, using the lives and ideas of real people as fodder for allegory and attempting to write a new mythology of the modern world.

on Neumann and Oppenheimer were close contemporaries, born a year apart to prosperous, assimilated Jewish families in Budapest and New York. Von Neumann, conversant in theoretical physics, mathematics and analytic philosophy, worked for Oppenheimer at Los Alamos during the Manhattan Project. He spent most of his career at the Institute for Advanced Study, where Oppenheimer served as director after the war.

More than most intellectual bastions, the institute is a house of theory. The Promethean mad scientists of the 19th century were creatures of the laboratory, tinkering away at their infernal machines and homemade monsters. Their 20th-century counterparts were more likely to be found at the chalkboard, scratching out our future in charts, equations and lines of code.

MANIAC. The name was an acronym for “Mathematical Analyzer, Numerical Integrator and Computer,” which doesn’t sound like much of a threat. But von Neumann saw no limit to its potential. “If you tell me precisely what it is a machine cannot do,” he declared, “then I can always make a machine which will do just that.” MANIAC didn’t just represent a powerful new kind of machine, but “a new type of life.”

More than 200 years after the Shelleys, Prometheus is having another moment, one closer in spirit to Mary’s terrifying ambivalence than to Percy’s fulsome gratitude. As technological optimism curdles in the face of cyber-capitalist villainy, climate disaster and what even some of its proponents warn is the existential threat of A.I., that ancient fire looks less like an ember of divine ingenuity than the start of a conflagration. Prometheus is what we call our capacity for self-destruction.

Oppenheimer wasn’t a principal author of that theory. Those scientists, among them Niels Bohr, Erwin Schrödinger and Werner Heisenberg, were characters in Labatut’s previous novel, “When We Cease to Understand the World.” That book provides harrowing illumination of a zone where scientific insight becomes indistinguishable from madness or, perhaps, divine inspiration. The basic truths of the new science seem to explode all common sense: A particle is also a wave; one thing can be in many places at once; “scientific method and its object could no longer be prised apart.”

. Oppenheimer’s designation as Prometheus is precise. He snatched a spark of quantum insight from those divinities and handed it to Harry S. Truman and the U.S. Army Air Forces.

Labatut’s account of von Neumann is, if anything, more unsettling than “Oppenheimer.” We had decades to get used to the specter of nuclear annihilation, and since the end of the Cold War it has been overshadowed by other terrors. A.I., on the other hand, seems newly sprung from science fiction, and especially terrifying because we can’t quite grasp what it will become.

Von Neumann, who died in 1957, did not teach machines to play Go. But when asked “what it would take for a computer, or some other mechanical entity, to begin to think and behave like a human being,” he replied that “it would have to play, like a child.”

the intellectual drama of “Oppenheimer” — as distinct from the dramas of his personal life and his political fate — is about how abstraction becomes reality. The atomic bomb may be, for the soldiers and politicians, a powerful strategic tool in war and diplomacy. For the scientists, it’s something else: a proof of concept, a concrete manifestation of quantum theory.

If Oppenheimer took hold of the sacred fire of atomic power, von Neumann’s theft was bolder and perhaps more insidious: He stole a piece of the human essence. He’s not only a modern Prometheus; he’s a second Frankenstein, creator of an all but human, potentially more than human monster.

“Technological power as such is always an ambivalent achievement,” Labatut’s von Neumann writes toward the end of his life, “and science is neutral all through, providing only means of control applicable to any purpose, and indifferent to all. It is not the particularly perverse destructiveness of one specific invention that creates danger. The danger is intrinsic. For progress there is no cure.”

The Swahili Coast is a narrow strip of land that stretches some 2,000 miles along the Eastern African seaboard — from modern-day Mozambique, Comoros and Madagascar in the south, to Somalia in the north

In its medieval heyday, the region was home to hundreds of port towns, each ruled independently, but with a common religion (Islam), language (Kiswahili) and culture.

Many towns grew immensely wealthy thanks to a vibrant trading network with merchants who sailed across the Indian Ocean on the monsoon winds. Middle Eastern pottery, Asian cloths 0c 0c and other luxury goods came in. African gold, ivory and timber 0c 0c went out — along with a steady flow of enslaved people, who were shipped off and sold across the Arabian Peninsula and Persian Gulf. (Slave trading later took place between the Swahili coast and Europe as well.)

A unique cosmopolitan society emerged that blended African customs and beliefs with those of the foreign traders, some of whom stuck around and assimilated.

Islam, for example, arrived from the Middle East and became an integral part of the Swahili social fabric, but with coral-stone mosques built and decorated in a local, East African style

Or consider the Kiswahili language, which is Bantu in origin but borrows heavily from Indian and Middle Eastern tongues

The arrival of Europeans, beginning around 1500, followed by Omani sailors some 200 years later, changed the character of the region

over the past 40 years, archaeologists, linguists and historians have come to see Swahili society as predominantly homegrown — with outside elements adopted over time that had only a marginal impact.

That African-centric version of Swahili roots never sat well with the Swahili people themselves, though

They generally preferred their own origin story, one in which princes from present-day Iran (then known as Persia) sailed across the Indian Ocean, married local women and enmeshed themselves into East African society. Depending on the narrative source, that story dates to around 850 or 1000 — the same period during which genetic mixing was underway, according to the DNA analysis.

“It’s remarkably spot on,” said Mark Horton, an archaeologist at the Royal Agricultural University of England

“This oral tradition was always maligned,”

“Now, with this DNA study, we see there was some truth to it.”

The ancient DNA study is the largest of its kind from Africa, involving 135 skeletons dating to late-medieval and early-modern times, 80 of which have yielded analyzable DNA.

To figure out where these people came from, the researchers compared genetic signatures from the dug-up bones with cheek swabs or saliva samples taken from modern-day individuals living in Africa, the Middle East and around the world.

The burial-site DNA traced back to two primary sources: Africans and present-day Iranians. Smaller contributions came from South Asians and Arabs as well, with foreign DNA representing about half of the skeletons’ genealogy

“It’s surprising that the genetic signature is so strong

Gene sequences from tiny power factories inside the cell, known as mitochondria, were overwhelmingly African in origin. Since children inherit these bits of DNA only from their mothers, the researchers inferred that the maternal forbearers of the Swahili people were mostly of African descent.

By comparison, the Y chromosome, passed from father to son, was chock-full of Asian DNA that the researchers found was common in modern-day Iran. So, a large fraction of Swahili ancestry presumably came from Persian men

Dr. Reich initially assumed that conquering men settled the region by force, displacing the local males in the process. “My hypothesis was that this was a genetic signature of inequality and exploitation,”

hat turned out to be a “naïve expectation,” Dr. Reich said, because “it didn’t take into account the cultural context in this particular case.”

In East Africa, Persian customs never came to dominate. Instead, most foreign influences — language, architecture, fashion, arts — were incorporated into a way of life that remained predominantly African in character, with social strictures, kinship systems and agricultural practices that reflected Indigenous traditions.

“Swahili was an absorbing society,” said Adria LaViolette, an archaeologist at the University of Virginia who has worked on the East African coast for over 35 years. Even as the Persians who arrived influenced the culture, “they became Swahili,”

One major caveat to the study: Nearly all the bones and teeth came from ornamental tombs that were located near grand mosques, sites where only the upper class would have been laid to rest.

the results might not be representative of the general populace.

Protocols for disinterring, sampling and reburying human remains were established in consultation with local religious leaders and community stakeholders. Under Islamic law, exhumations are permitted if they serve a public interest, including that of determining ancestry,

One explanation for why so many come to that conclusion in the first place has to do with the widening of the gulf between America’s coasts and the region in between them

Cities that can entice well-educated professionals are booming, even as “flyover” communities have largely seen good-paying factory work automated or shipped overseas, replaced to a large extent with insecure jobs: Walmart greeters, independent-contractor truck drivers, and the like.

a college degree has become the true mark of individual success in America—the sort of white-picket-fence fantasy that drives people well into their elder years to head back to school

the white working class that emerged in the 19th century—stitched together from long-combative European ethnic groups—strived to set themselves apart from African Americans, Chinese, and other vilified “indispensable enemies,” and build, by contrast (at least in their view), a sense of workingman pride.

this last election was a reminder that white male resentment of “nasty” women and “uppity” racial and other minorities remains strong.

That said, many Americans with more stable, better-paid jobs have blind spots of their own. For all of their professed open-mindedness in other areas, millions of the well-educated and well-off who live in or near big cities tend to endorse the notion, explicitly or implicitly, that education determines a person’s value

white voters from hard-hit rural areas and hollowed-out industrial towns have turned away from a Democratic Party that has offered them little in the way of hope and inspiration and much in the way of disdain and blame.

such a fervent belief in the transformative power of education also implies that a lack of it amounts to personal failure—being a “stupid” person

As much as both liberals and conservatives have touted education as a means of attaining social mobility, economic trends suggest that this strategy has limits, especially in its ability to do anything about the country’s rapidly growing inequalities

Well into the 21st century, two-thirds of Americans age 25 and over do not have a bachelor’s degree. The labor market has become more polarized, as highly paid jobs for workers with middling levels of education and skill dwindle away.

even some workers I spoke to—all former union members—said they felt that people without a good education did not deserve to make a good living.

The rules of meritocracy that these blue-collar workers say they admire barely apply to the very top levels of the economy. Groups of elite workers—professionals, managers, financial workers, tenured professors—continue to wall themselves off from competition. They still organize collectively, through lobbying, credentialing, licensing, and other strategies. But fewer ordinary workers have the same ability to do so

What has emerged in the new economy, then, is a stunted meritocracy: meritocracy for you, but not for me

One of the few things he could really depend on was his church. He volunteered on their Sunday-school bus, leading the kids in singing songs. “It helps to be around young people,” he said. For many of the jobless workers I interviewed, religion and tradition provided a sense of community and a feeling that their lives had purpose.

However exaggerated by stereotypes, the urbane, urban values of the well-educated professional class, with its postmodern cultural relativism and its rejection of old dogmas, are not attractive alternatives to what the working class has long relied on as a source of solace.

In the absence of other sources of meaning, Americans are left with meritocracy, a game of status and success, along with the often ruthless competition it engenders. And the consequence of a perspective of self-reliance—Americans, compared to people in other countries, hold a particularly strong belief that people succeed through their own hard work—is a sense that those who fail are somehow inferior

The concept of grace comes from the Christian teaching that everyone, not just the deserving, is saved by God’s grace. Grace in the broader sense that I (an agnostic) am using, however, can be both secular and religious. In the simplest terms, it is about refusing to divide the world into camps of deserving and undeserving, as those on both the right and left are wont to do

It rejects an obsession with excusing nothing, with measuring and judging the worth of people based on everything from a spotty résumé to an offensive comment.

Unlike an egalitarian viewpoint focused on measuring and leveling inequalities, grace rejects categories of right and wrong, just and unjust, and offers neither retribution nor restitution, but forgiveness.

With a perspective of grace, it becomes clearer that America, the wealthiest of nations, possesses enough prosperity to provide adequately for all. It becomes easier to part with one’s hard-won treasure in order to pull others up, even if those being helped seem “undeserving”—a label that today serves as a justification for opposing the sharing of wealth on the grounds that it is a greedy plea from the resentful, idle, and envious.

ignorance shouldn’t be considered an irremediable sin. Yet many of the liberal, affluent, and college-educated too often reduce the beliefs of a significant segment of the population to a mash of evil and delusion

From gripes about the backwardness and boredom of small-town America to jokes about “rednecks” and “white trash” that are still acceptable to say in polite company, it’s no wonder that the white working class believes that others look down on them. That’s not to say their situation is worse than that of the black and Latino working classes—it’s to say that where exactly they fit in the hierarchy of oppression is a question that leads nowhere, given how much all these groups have struggled in recent decades.

While there are no simple explanations for the desperation and anger visible in many predominantly white working-class communities, perhaps the most astute and original diagnosis came from the rabbi and activist Michael Lerner, who, in assessing Donald Trump’s victory, looked from a broader vantage point than most. Underneath the populist ire, he wrote, was a suffering “rooted in the hidden injuries of class and in the spiritual crisis that the global competitive marketplace generates.”

That cuts right to it. The modern economy privileges the well-educated and highly-skilled, while giving them an excuse to denigrate the people at the bottom (both white and nonwhite) as lazy, untalented, uneducated, and unsophisticated.

many well-off Americans from across the political spectrum scorn the white working class in particular for holding onto religious superstitions and politically incorrect views, and pity them for working lousy jobs at dollar stores and fast-food restaurants that the better-off rarely set foot in

This system of categorizing Americans—the logical extension of life in what can be called an extreme meritocracy—can be pernicious: The culture holds up those who succeed as examples, however anecdotal, that everyone can make it in America. Meanwhile, those who fail attract disdain and indifference from the better-off, their low status all the more painful because it is regarded as deserved.

the shame of low status afflicts not just the unemployed, but also the underemployed. Their days are no longer filled with the dignified, if exhausting, work of making real things.

For less educated workers (of all races) who have struggled for months or years to get another job, failure is a source of deep shame and a reason for self-blame. Without the right markers of merit—a diploma, marketable skills, a good job—they are “scrubs” who don’t deserve romantic partners, “takers” living parasitically off the government, “losers” who won’t amount to anything

Even those who consider themselves lucky to have jobs can feel a sense of despair, seeing how poorly they stand relative to others, or how much their communities have unraveled, or how dim their children’s future seems to be: Research shows that people judge how well they’re doing through constant comparisons, and by these personal metrics they are hurting, whatever the national unemployment rate may be.

History is alive, and she has a lot to teach us. I quote William Faulkner (what history professor hasn't?) who famously declared: "The past is never dead. It is not even past."

In fact, presidential hopeful Ben Carson's comparisons to slavery were so common that he was parodied as suggesting that even buying a Megabus ticket is like slavery (which, sadly, is almost believable).

People aren't always sure what to do with history. But the laziest use is to make facile comparisons between then and now, this person and that.

Mostly these comparisons are shallow and not rooted in any depth of meaningful knowledge of the past. They rely on caricatures and selective historical tidbits in a way that, indeed, just about anyone can be compared to anyone else.

These comparisons tend to come in two forms: those meant to elevate, and those meant to denigrate. Both use historical comparisons to accomplish their goals

By associating their 21st-century political agendas with the 18th-century American rebels, modern Tea Partiers collapse the distance between then and now in order to legitimize their cause.

Slavery is another popular go-to comparison. But ... sorry, Kesha: Recording contracts are not like slavery. And Republicans: ”Neither is the national debt, Obamacare, income tax, or gun control. Or the TSA, global warming, or Affirmative Action.

History is not a deck of cards from which to randomly draw for comparative purposes. It is an immense repository of human thinking, doing, and being that can and should help us be slightly less narrow-minded and shortsighted than our forefathers and foremothers sometimes were. Good uses of history require more substance, unpacking, and analysis than a few quick sound bites can provide.

History as critique, honest assessment, and self-examination. Thinking long and hard about the treatment of Native Americans, past and present. American imperialism. Slavery, and its intertwining with the rise of modern capitalism. Xenophobia. Suppression of women's rights. These stories need to be told and retold, painful as they may be.

People who make historical comparisons don't actually believe that Ted Cruz is like Robespierre. But then why bother? The reason there aren't longer expositions of how exactly Trump is like Hitler is because, well, very quickly the analogy would break down. Male ... popular ... racist ... oh, never mind. These analogies are usually politically motivated, shallow, and intended to shock or damn. It's just lazy, and more politics as usual.

When we say that Trump or Obama is like Hitler, we slowly water down our actual knowledge of the very historical things we are using for comparison. When people link their frustration with the Affordable Care Act or gun control to slavery, they greatly diminish the historical magnitude and importance of a horrific historical reality that irreversibly altered the lives of 10 to 12 million enslaved Africans who were forced across the Atlantic to the Americas between the 15th and 19th centuries. Scholars speak of a "social death" that came from the incredible violence, emotional damage, and physical dislocation that took place during the Middle Passage and beyond.

Flippant comparisons also belittle and ignore the way that historical trauma creates immense ongoing psychological pain and tangible collective struggle that continues through generations, even up through the present.

One charitable reading of why people make these comparisons is that they fear we will end up in unpleasant and unfortunate situations that are like past circumstances. Behind the charge of Trump being a fascist is the fear that Trump, if elected president, will rule unilaterally in a way that oppresses certain segments of the population.

The only problem is that history really doesn't repeat itself. If anything, it remixes themes, reprises melodies, and borrows nasty racist ideologies. There are no exact historical analogs to today's politicians — jackasses or saviors.

"History doesn't repeat itself. But it rhymes." And it is in the rhyming that history still plays an important role.

Historian William Bouwsma once noted that the past is not the "private preserve of professional historians." Rather, he argued that history is a public utility, like water and electricity. If Bouwsma is right, the kind of history most people want is like water: clear, available at the turn of a knob, and easily controllable. But really, history is more like electricity shooting down the string of Franklin's fabled kite: wild, with alternating currents and unexpected twists, offshoots, and end results.

Voting for Trump won't bring about an American Holocaust, but it could usher in a new yet rhyming phase of history in which US citizens and immigrants from certain backgrounds are targeted and legally discriminated against, have their civil liberties curtailed, and even get forcibly relocated into "safe" areas. Hard to imagine?

American history, as Jon Stewart brilliantly reminded us, is at its core a series of events in which the current dominant group (no matter how recently established) dumps on the newest immigrant group. Catholics. Jews. Irish. Asians. They've all been in the crosshairs. All of them have been viewed as just as dangerous as the current out-group: Muslims.

The GOP's current crisis mirrors the French Revolution? Ted Cruz is like Robespierre? Please. You are granting way too much historical importance to the self-implosion of a political movement that rose to power over the past 30 years on a platform of moralistic piety, militarism, anti-abortion, and xenophobia.

If simplistic comparisons cheapen the past and dumb down our public discourse, using the past to understand how we got to where we are today is actually productive. It increases knowledge, broadens our perspective, and helps connect dots over time.

If Americans truly want to understand this GOP moment, we need not look to revolutionary France, but to the circa-1970s US, when the modern Republican Party was born. I know, Republican pundits like to call themselves the "party of Lincoln," but that is mostly nonsense

To compare Trump to Napoleon or Hitler is to make a vacuous historical comparison that obscures more than it reveals. But it is actually constructive to try to understand Trump as a fairly logical outcome of some of the cultural impulses that drove the moral majority and the religious right in the late 1970s and early 1980s. It tells us how we got here and, potentially, how to move forward.

Done well, history gives us perspective; it helps us gain a longer view of things. Through an understanding of the past we come to see trends over time, outcomes, causes, effects. We understand that stories and individual lives are embedded in larger processes. We learn of the boundless resilience of the human spirit, along with the depressing capacity for evil — even the banal variety — of humankind.

The past warns us against cruelty, begs us to be compassionate, asks that we simply stop and look our fellow human beings in the eyes.

Why, then, is Obama-Washington still on my office wall? Mostly to remind me of the irony of history. Of its complexity. That the past might not be past but is also not the present. It is a warning against mistaking progression in years with progress on issues. It is a reminder that each one of us plays an important part in the unfolding of history.

what Chinese schoolchildren are encouraged to think of as the longstanding natural speech of the common people is in fact an artificial hybrid, only a few decades old, although it shares a name—Mandarin—with the language of administration from imperial times. It’s a designed-by-committee camel of a language that has largely lost track of its past.

The idea of a national Chinese language began with the realization by the accidentally successful revolutionaries of 1911 that retaining control over a country speaking multiple languages and myriad dialects would necessitate reform. Long-term unification and the introduction of mass education would require a common language.

Whatever the province they originated from, the administrators of the now-toppled Great Qing Empire had all learned to communicate with one another in a second common language—Guanhua, China’s equivalent, in practical terms, of medieval Latin

To understand this highly compressed idiom required a considerable knowledge of the Chinese classics. Early Jesuit missionaries had labeled it Mandarin,

The committee decided that the four-tone dialect of the capital would be the base for a new national language but added a fifth tone whose use had lapsed in the north but not in southern dialects. The result was a language that no one actually spoke.

After the Communist victory of 1949, the process began all over again with fresh conferences, leading finally to the decision to use Beijing sounds, northern dialects and modern literature in the vernacular (of which there was very little) as a source of grammar.

This new spoken form is what is now loosely labeled Mandarin, still as alien to most Chinese as all the other Chinese languages.

A Latin alphabet system called Pinyin was introduced to help children learn to pronounce Chinese characters, but today it is usually abandoned after the first few years of elementary school.

The view that Mandarin is too difficult for mere foreigners to learn is essential to Chinese amour propre. But it is belied by the number of foreign high-school students who now learn the language by using Pinyin as a key to pronunciation —and who bask in the admiration they receive as a result.

Since 1949, the Chinese government, obsessed with promoting the image of a nation completely united in its love of the Communist Party, has decided that the Chinese people speak not several different languages but the same one in a variety of dialects. To say otherwise is to suggest, dangerously, that China is not one nation

Yet on Oct. 1, 1949, Mao Zedong announced the founding of the People’s Republic in a Hunan accent so thick that members of his audience subsequently differed about what he had said. He never mastered the Beijing sounds on which Putonghua is based, nor did Sichuanese-speaking Deng Xiaoping or most of his successors.

When Xi Jinping took power in 2012, many online commentators rejoiced. “At last! A Chinese leader who can speak Putonghua!” One leader down, only 400 million more common people to go.

The sellers of slaves, Baptist insists, were not generally paternalistic owners who fell on hard times and parted reluctantly with members of their metaphorical plantation “families,” but entrepreneurs who knew an opportunity for gain when they saw one. As for the slave traders — the middlemen — they excelled at maximizing profits. They not only emphasized the labor abilities of those for sale (reinforced by humiliating public inspections of their bodies), but appealed to buyers’ salacious fantasies. In the 1830s, the term “fancy girl” began to appear in slave-trade notices to describe young women who fetched high prices because of their physical attractiveness. “Slavery’s frontier,” Baptist writes, “was a white man’s sexual playground.”

After the legal importation of slaves from outside the country ended in 1808, the spread of slavery into the states bordering the Gulf of Mexico would not have been possible without the enormous uprooting of people from Maryland and Virginia. Almost one million slaves, Baptist estimates, were transported to the cotton fields from the Upper South in the decades before the Civil War.The domestic slave trade was highly organized and economically efficient, relying on such modern technologies as the steamboat, railroad and telegraph. For African-Americans, its results were devastating. Since buyers preferred young workers “with no attachments,” the separation of husbands from wives and parents from children was intrinsic to its operation, not, as many historians have claimed, a regrettable side effect.

The cotton kingdom that arose in the Deep South was incredibly brutal. Violence against Native Americans who originally owned the land, competing imperial powers like Spain and Britain and slave rebels solidified American control of the Gulf states. Violence, Baptist contends, explains the remarkable increase of labor productivity on cotton plantations. Without any technological innovations in cotton picking, output per hand rose dramatically between 1800 and 1860. Some economic historians have attributed this to incentives like money payments for good work and the opportunity to rise to skilled positions. Baptist rejects this explanation.

Slavery was essential to American development and, indeed, to the violent construction of the capitalist world in which we live.

Planters called their method of labor control the “pushing system.” Each slave was assigned a daily picking quota, which increased steadily over time. Baptist, who feels that historians too often employ circumlocutions that obscure the horrors of slavery, prefers to call it “the ‘whipping-machine’ system.” In fact, the word we should really use, he insists, is “torture.” To make slaves work harder and harder, planters utilized not only incessant beating but forms of discipline familiar in our own time — sexual humiliation, bodily mutilation, even waterboarding. In the cotton kingdom, “white people inflicted torture far more often than in almost any human society that ever existed.”

in the 1830s Southern banks developed new financial instruments, bonds with slaves as collateral, that enabled planters to borrow enormous amounts of money to acquire new land, and how lawmakers backed these bonds with the state’s credit. A speculative bubble ensued, and when it collapsed, taxpayers were left to foot the bill. But rather than bailing out Northern and European bondholders, several states simply defaulted on their debts. Many planters fled with their slaves to Texas, until 1845 an independent republic, to avoid creditors. “Honor,” a key element in Southern notions of masculinity, went only so far.

As the railroad opened new areas to cultivation and cotton output soared, slave owners saw themselves as a modern, successful part of the world capitalist economy. They claimed the right to bring their slaves into all the nation’s territories, and indeed into free states. These demands aroused intense opposition in the North, leading to Lincoln’s election, secession and civil war.

It is hardly a secret that slavery is deeply embedded in our nation’s history. But many Americans still see it as essentially a footnote, an exception to a dominant narrative of the expansion of liberty on this continent.

Where Baptist breaks new ground is in his emphasis on the centrality of the interstate trade in slaves to the regional and national economies and his treatment of the role of extreme violence in the workings of the slave system.

ArtsBeat Book Review Podcast: Walter Isaacson’s ‘The Innovators’

some areas of academic life aren't vulnerable to this crisis of confidence in the importance of one's work. Scientists can rest secure in the knowledge that their labors will help shove along the modern project of advancing health—and wealth.

Then there is economics, the new queen of the sciences—a discipline perfectly tailored to the modern market-driven university, and not coincidentally the most popular concentration

The humanities have no such reservoirs of confidence. And attempts by humanities professors to ape the rigor of their scientific colleagues have led to a decades-long wade in the marshes of postmodern academic theory, where canons are scorned, books exist only as texts to be deconstructed, and willfully obscure writing is championed over accessible prose. All this has merely reinforced capitalism's insistence that the sciences are the only important academic pursuits, because only they provide tangible, quantifiable (and potentially profitable) results. Far from making the humanities scientific, postmodernism has made them irrelevant.

The retreat into irrelevance is visible all across the humanities curriculum. Philosophy departments have largely purged themselves of metaphysicians and moralists; history departments emphasize exhaustive primary research and micro-history. In the field of English there is little pretense that literature is valuable in itself and should be part of every educated person's life, rather than serving as grist for endless academic debates

Sure, historians believe in their primary sources, English scholars in their textual debates, philosophers in their logic games. But many of them seem to believe that they have nothing to offer students who don't plan to be historians, or literary theorists, or philosophers. They make no effort to apply their work to what should be the most pressing task of undergraduate education: to provide a general education, a liberal arts education, to future doctors and bankers and lawyers and diplomats.

In this environment who can blame professors if, when it comes time to grade their students, they sometimes take the path of least resistance—the path of the gentleman's B-plus?

the Core's mission statement asserts, with a touch of smugness, that "the Core differs from other programs of general education. It does not define intellectual breadth as the mastery of a set of Great Books, or the digestion of a specific quantum of information … rather, the Core seeks to introduce students to the major approaches to knowledge in areas that the faculty considers indispensable to undergraduate education."

These words, which appear in the course catalogue each year, are the closest that Harvard comes to articulating an undergraduate educational philosophy. They suggest that the difference in importance between, say, "Democracy, Development, and Equality in Mexico" and "Reason and Faith in the West" (both offerings in Historical Study) does not matter. As the introduction to the history courses puts it, both courses offer a "historical" approach to knowledge that is presumably more valuable than mere "facts" about the past. Comprehending history "as a form of inquiry and understanding" trumps learning about actual events. The catalogue contains similarly pat introductions to the other disciplines. In each case the emphasis is squarely on methodology, not material.

The few Core classes that are well taught are swamped each year, no matter how obscure the subject matter. The closest thing to a Harvard education—that is, to an intellectual corpus that most Harvard graduates have in common—is probably obtained in such oversubscribed courses as "The Warren Court and the Pursuit of Justice," "First Nights: Five Performance Premieres," and "Fairy Tales, Children's Literature, and the Construction of Childhood."

As in a great library ravaged by a hurricane, the essential elements of a liberal arts education lie scattered everywhere at Harvard, waiting to be picked up. But little guidance is given on how to proceed with that task.

Harvard never attempted to answer that question—perhaps the most important question facing any incoming freshman. I chose my classes as much by accident as by design. There were times when some of them mattered to me, and even moments when I was intoxicated. But achieving those moments required pulling myself away from Harvard's other demands, whether social, extracurricular, or pre-professional, which took far more discipline than I was usually able to exert.

It was hard work to get into Harvard, and then it was hard work competing for offices and honors and extracurriculars with thousands of brilliant and driven young people; hard work keeping our heads in the swirling social world; hard work fighting for law-school slots and investment-banking jobs as college wound to a close … yes, all of that was heavy sledding. But the academics—the academics were another story.

What makes our age different is the moment that happened over and over again at Harvard, when we said This is going to be hard and then realized No, this is easy. Maybe it came when we boiled down a three-page syllabus to a hundred pages of exam-time reading, or saw that a paper could be turned in late without the frazzled teaching fellow's docking us, or handed in C-quality work and got a gleaming B-plus. Whenever the moment came, we learned that it wasn't our sloth alone, or our constant pushing for higher grades, that made Harvard easy. No, Harvard was easy because almost no one was pushing back.

But the geneticists see no trace of the Danelaw, the Danish rule over northern England from the ninth to the 11th century, nor of the Norman Conquest of England in 1066. The numbers of invaders may have been too small to leave a demographic imprint

in the case of the Normans, who had previously emigrated from southern Denmark to Normandy, it is hard to distinguish their genes from those of the earlier Danish invaders.

The people of the southern and central parts of England form a homogeneous population, but all around the Celtic periphery, in Cornwall, Wales and Scotland, lie small clusters of genetically different populations that have maintained their identity over the generations. This is a surprise, given that the Celtic peoples who ruled most of England until Caesar’s invasion in B.C. 55 were assumed to be fairly homogeneous.

The researchers found that the modern British population falls into 17 clusters altogether, based on genetic relatedness. Though very similar, the groups are genetically distinguishable, and even the main population cluster, that of southern and central England, is distinguishable from the populations of France, Germany and other European countries.

Dr. Donnelly and his colleagues managed to sidestep this recent churning of the population history by seeking out elderly people who lived in rural areas and whose grandparents had been born locally. Because individual genomes are composed of random samples of the four grandparents’ DNA, the researchers were in effect looking two generations into the past and testing the population of the late 19th century.

They analyzed the DNA of their 2,000 subjects at 500,000 sites along the genome, and then organized them into the 17 genetic clusters. They also analyzed the genomes of 6,000 Europeans in the same way, and could thus identify the source populations in Europe from which each of the 17 British clusters was derived.

The migrations revealed in that way match the known historical record but also point to events that have not been recorded, such as a major migration from northern France that accounts for about one-third of the ancestry of the average person in Britain.

“History is written by the winners, and archaeology studies the burials of wealthy people,” Dr. Donnelly said. “But genetic evidence is interesting because it complements that by showing what is happening to the masses rather than the elite.”

The median household income for a family in which both parents work full time is $102,400, according to Pew, compared with $84,000 when mothers work part time and $55,000 when they stay home.

Government time-use data show that parents over all do less housework and spend more time with their children than they used to.

Another important goal of the era, creating “Kurdistan,” never actually happened. The 1920 Treaty of Sevres left an opening for a referendum on Kurdish independence. Problem one: the referendum only included plans for Kurds outside of Syria and Iraq. Problem two: the referendum never happened, a victim of fighting that saw the Turkish people separate themselves from the remains of the Ottoman Empire and fight for two years to prevent the dismantling of what is now modern Turkey. The result was 20 million Kurds scattered across parts of modern Iran, Iraq, Turkey and Syria.

Out of the new negotiations will have to emerge a Kurdistan, with land from Turkey, Iraq, perhaps Iran, and Syria. Assad will stay in power as a Russian proxy. Iran’s hold on Shi’ite Iraq will strengthen. A Sunni homeland, to include the political entity Islamic State will morph into, will need to be assured via a strict hands-off policy by Baghdad.

At risk for not acting: an empowered Islamic State, thriving on more chaos. An explosive dissolution of Iraq. A Russian-Turkish fight that could involve NATO. The shift from a Saudi-Iranian proxy war to a straightforward conflict between the two countries. A spark that forces Israel to act. A mini-world war, in the world’s most flammable region, that will create its own unexpected and uncontrolled realignment of power, and leave behind a warehouse of the dead.

In a famous journal he kept from 1935 to 1944, the Romanian writer Mihail Sebastian chronicled an even more extreme shift in his own country. Like me, Sebastian was Jewish; like me, most of his friends were on the political right. In his journal, he described how, one by one, they were drawn to fascist ideology, like a flock of moths to an inescapable flame. He recounted the arrogance and confidence they acquired as they moved away from identifying themselves as Europeans—admirers of Proust, travelers to Paris—and instead began to call themselves blood-and-soil Romanians. He listened as they veered into conspiratorial thinking or became casually cruel. People he had known for years insulted him to his face and then acted as if nothing had happened. “Is friendship possible,” he wondered in 1937, “with people who have in common a whole series of alien ideas and feelings—so alien that I have only to walk in the door and they suddenly fall silent in shame and embarrassment?”

This is not 1937. Nevertheless, a parallel transformation is taking place in my own time, in the Europe that I inhabit and in Poland, a country whose citizenship I have acquired

the Dreyfus affair is most interesting because it was sparked by a single cause célèbre. Just one court case—one disputed trial—plunged an entire country into an angry debate, creating unresolvable divisions between people who had previously not known that they disagreed with one another. But this shows that vastly different understandings of what is meant by “France” were already there, waiting to be discovered

More important, though the people I am writing about here, the nativist ideologues, are perhaps not all as successful as they would like to be (about which more in a minute), they are not poor and rural, they are not in any sense victims of the political transition, and they are not an impoverished underclass. On the contrary, they are educated, they speak foreign languages, and they travel abroad—just like Sebastian’s friends in the 1930s.

What has caused this transformation

My answer is a complicated one, because I think the explanation is universal. Given the right conditions, any society can turn against democracy. Indeed, if history is anything to go by, all societies eventually will.

And it is taking place without the excuse of an economic crisis of the kind Europe suffered in the 1930s. Poland’s economy has been the most consistently successful in Europe over the past quarter century. Even after the global financial collapse in 2008, the country saw no recession. What’s more, the refugee wave that has hit other European countries has not been felt here at all. There are no migrant camps, and there is no Islamist terrorism, or terrorism of any kind.

in modern Britain, America, Germany, France, and until recently Poland, we have assumed that competition is the most just and efficient way to distribute power. The best-run businesses should make the most money. The most appealing and competent politicians should rule. The contests between them should take place on an even playing field, to ensure a fair outcome.

All of these debates, whether in 1890s France or 1990s Poland, have at their core a series of important questions: Who gets to define a nation? And who, therefore, gets to rule a nation? For a long time, we have imagined that these questions were settled—but why should they ever be?

the illiberal one-party state, now found all over the world—think of China, Venezuela, Zimbabwe—was first developed by Lenin, in Russia, starting in 1917. In the political-science textbooks of the future, the Soviet Union’s founder will surely be remembered not for his Marxist beliefs, but as the inventor of this enduring form of political organization.

Unlike Marxism, the Leninist one-party state is not a philosophy. It is a mechanism for holding power. It works because it clearly defines who gets to be the elite—the political elite, the cultural elite, the financial elite.

In monarchies such as prerevolutionary France and Russia, the right to rule was granted to the aristocracy, which defined itself by rigid codes of breeding and etiquette. In modern Western democracies, the right to rule is granted, at least in theory, by different forms of competition: campaigning and voting, meritocratic tests that determine access to higher education and the civil service, free markets

Two decades ago, different understandings of “Poland” must already have been present too, just waiting to be exacerbated by chance, circumstance, and personal ambition

Lenin’s one-party state was based on different values. It overthrew the aristocratic order. But it did not put a competitive model in place. The Bolshevik one-party state was not merely undemocratic; it was also anticompetitive and antimeritocratic. Places in universities, civil-service jobs, and roles in government and industry did not go to the most industrious or the most capable. Instead, they went to the most loyal.

As Hannah Arendt wrote back in the 1940s, the worst kind of one-party state “invariably replaces all first-rate talents, regardless of their sympathies, with those crackpots and fools whose lack of intelligence and creativity is still the best guarantee of their loyalty.”

Lenin’s one-party system also reflected his disdain for the idea of a neutral state, of apolitical civil servants and an objective media. He wrote that freedom of the press “is a deception.” He mocked freedom of assembly as a “hollow phrase.” As for parliamentary democracy itself, that was no more than “a machine for the suppression of the working class.”

These parties tolerate the existence of political opponents. But they use every means possible, legal and illegal, to reduce their opponents’ ability to function and to curtail competition in politics and economics. They dislike foreign investment and criticize privatization, unless it is designed to benefit their supporters. They undermine meritocracy. Like Donald Trump, they mock the notions of neutrality and professionalism, whether in journalists or civil servants. They discourage businesses from advertising in “opposition”—by which they mean illegitimate—media.

nepotism, state capture. But if you so choose, you can also describe it in positive terms: It represents the end of the hateful notions of meritocracy and competition, principles that, by definition, never benefited the less successful. A rigged and uncompetitive system sounds bad if you want to live in a society run by the talented. But if that isn’t your primary interest, then what’s wrong with it?

If you are someone who believes that you deserve to rule, then your motivation to attack the elite, pack the courts, and warp the press to achieve your ambitions is strong. Resentment, envy, and above all the belief that the “system” is unfair—these are important sentiments among the intellectuals of the Polish right.

Whatever mistakes the party might make, whatever laws it might break, at least the “truth” about Smolensk would finally be told.

the polarizing political movements of 21st-century Europe demand much less of their adherents. They don’t require belief in a full-blown ideology, and thus they don’t require violence or terror police. They don’t force people to believe that black is white, war is peace, and state farms have achieved 1,000 percent of their planned production. Most of them don’t deploy propaganda that conflicts with everyday reality.

yet all of them depend, if not on a Big Lie, then on what the historian Timothy Snyder once told me should be called the Medium-Size Lie, or perhaps a clutch of Medium-Size Lies. To put it differently, all of them encourage their followers to engage, at least part of the time, with an alternative reality. Sometimes that alternative reality has developed organically; more often, it’s been carefully formulated, with the help of modern marketing techniques, audience segmentation, and social-media campaigns.

In Hungary, the lie is unoriginal: It is the belief, shared by the Russian government and the American alt-right, in the superhuman powers of George Soros, the Hungarian Jewish billionaire who is supposedly plotting to bring down the nation through the deliberate importation of migrants, even though no such migrants exist in Hungary.

In Poland, at least the lie is sui generis. It is the Smolensk conspiracy theory: the belief that a nefarious plot brought down the president’s plane in April 2010.

The truth, as it began to emerge, was not comforting to the Law and Justice Party or to its leader, the dead president’s twin brother. The plane had taken off late; the president was likely in a hurry to land, because he wanted to use the trip to launch his reelection campaign. There was thick fog in Smolensk, which did not have a real airport, just a landing strip in the forest; the pilots considered diverting the plane, which would have meant a drive of several hours to the ceremony. After the president had a brief phone call with his brother, his advisers apparently pressed the pilots to land. Some of them, against protocol, walked in and out of the cockpit during the flight. Also against protocol, the chief of the air force came and sat beside the pilots. “Zmieścisz się śmiało”—“You’ll make it, be bold,” he said. Seconds later, the plane collided with the tops of some birch trees, rolled over, and hit the ground.

When, some weeks after the election, European institutions and human-rights groups began responding to the actions of the Law and Justice government, they focused on the undermining of the courts and public media. They didn’t focus on the institutionalization of the Smolensk conspiracy theory, which was, frankly, just too weird for outsiders to understand. And yet the decision to put a fantasy at the heart of government policy really was the source of the authoritarian actions that followed.

Although the Macierewicz commission has never produced a credible alternate explanation for the crash, the Smolensk lie laid the moral groundwork for other lies. Those who could accept this elaborate theory, with no evidence whatsoever, could accept anything.

picking apart personal and political motives is extremely difficult. That’s what I learned from the story of Jacek Kurski, the director of Polish state television and the chief ideologist of the Polish illiberal state. He started out in the same place, at the same time, as his brother, Jarosław Kurski, who edits the largest and most influential liberal Polish newspaper. They are two sides of the same coin.

The Smolensk conspiracy theory, like the Hungarian migration conspiracy theory, served another purpose: For a younger generation that no longer remembered Communism, and a society where former Communists had largely disappeared from politics, it offered a new reason to distrust the politicians, businesspeople, and intellectuals who had emerged from the struggles of the 1990s and now led the country.

More to the point, it offered a means of defining a new and better elite. There was no need for competition, or for exams, or for a résumé bristling with achievements. Anyone who professes belief in the Smolensk lie is by definition a true patriot—and, incidentally, might well qualify for a government job.

Hungary’s belated reckoning with its Communist past—putting up museums, holding memorial services, naming perpetrators—did not, as I thought it would, help cement respect for the rule of law, for restraints on the state, for pluralism

16 years after the Terror Háza’s opening, Hungary’s ruling party respects no restraints of any kind. It has gone much further than Law and Justice in politicizing the state media and destroying the private media, achieving the latter by issuing threats and blocking access to advertising. It has created a new business elite that is loyal to Orbán.

Schmidt embodies what the Bulgarian writer Ivan Krastev recently described as the desire of many eastern and central Europeans to “shake off the colonial dependency implicit in the very project of Westernization,” to rid themselves of the humiliation of having been imitators, followers of the West rather than founders.

Listening to her, I became convinced that there was never a moment when Schmidt’s views “changed.” She never turned against liberal democracy, because she never believed in it, or at least she never thought it was all that important. For her, the antidote to Communism is not democracy but an anti-Dreyfusard vision of national sovereignty

It’s clear that the Medium-Size Lie is working for Orbán—just as it has for Donald Trump—if only because it focuses the world’s attention on his rhetoric rather than his actions.

I described my 1999 New Year’s Eve party to a Greek political scientist. Quietly, he laughed at me. Or rather, he laughed with me; he didn’t mean to be rude. But this thing I was calling polarization was nothing new. “The post-1989 liberal moment—this was the exception,” Stathis Kalyvas told me. Polarization is normal. More to the point, I would add, skepticism about liberal democracy is also normal. And the appeal of authoritarianism is eternal.

Americans, with our powerful founding story, our unusual reverence for our Constitution, our relative geographic isolation, and our two centuries of economic success, have long been convinced that liberal democracy, once achieved, cannot be altered. American history is told as a tale of progress, always forward and upward, with the Civil War as a kind of blip in the middle, an obstacle that was overcome.

In Greece, history feels not linear but circular. There is liberal democracy and then there is oligarchy. Then there is liberal democracy again. Then there is foreign subversion, then there is an attempted Communist coup, then there is civil war, and then there is dictatorship. And so on, since the time of the Athenian republic.

In truth, the argument about who gets to rule is never over, particularly in an era when people have rejected aristocracy, and no longer believe that leadership is inherited at birth or that the ruling class is endorsed by God

Democracy and free markets can produce unsatisfying outcomes, after all, especially when badly regulated, or when nobody trusts the regulators, or when people are entering the contest from very different starting points. Sooner or later, the losers of the competition were always going to challenge the value of the competition itself.

More to the point, the principles of competition, even when they encourage talent and create upward mobility, don’t necessarily answer deeper questions about national identity, or satisfy the human desire to belong to a moral community.

The authoritarian state, or even the semi-authoritarian state—the one-party state, the illiberal state—offers that promise: that the nation will be ruled by the best people, the deserving people, the members of the party, the believers in the Medium-Size Lie.

When it comes to commonly held modern ideals — of gender egalitarianism, individualism, the assumption that men might seek to improve themselves even without outside prodding — his response is skepticism bordering on exasperation. “In the domain of sex and relationships, men will act as nobly as women collectively demand,” he writes. “This is an aggravating statement for women to read, no doubt. They do not want to be responsible for ‘raising’ men. But it is realistic.”

Throughout his book, Regnerus prods the reader to be skeptical of utopianism and see the world as it is. It’s a useful, if unpleasant, reminder for an era in which our goals seem both loftier and further out of reach than ever

After that, you see for the first time people related to later European hunter-gatherers who have contributed a little bit to present-day Europeans. That happens beginning 35,000 to 37,000 years ago. Then the ice sheets descend across northern Europe and a lot of these populations are chased into these refuges in the southern peninsulas of Europe. After the Ice Age, there’s a repeopling of northern Europe from the southwest, probably from Spain, and then also from the southeast, probably from Greece and maybe even from Anatolia, Turkey

Again, after 9,000 years ago, there’s a mass movement of farmers into the region which almost completely replaces the hunter-gatherers with a small amount of mixture

And then again, after 5,000 years ago, there’s this mass movement at the beginning of the Bronze Age of people from the steppe, who also probably bring these languages that are spoken by the great majority of Europeans today.

Reich: Archaeology has always been political, especially in Europe. Archaeologists are very aware of the misuse of archaeology in the past, in the 20th century. There’s a very famous German archaeologist named Gustaf Kossinna, who was the first or one of the first to come up with the idea of “material culture.” Say, you see similar pots, and therefore you’re in a region where there was shared community and aspects of culture.

He went so far as to argue that when you see the spread of these pots, you’re actually seeing a spread of people and there’s a one-to-one mapping for those things. His ideas were used by the Nazis later, in propaganda, to argue that a particular group in Europe, the Aryans, expanded in all directions across Europe.

This was used to justify their expansionism in the propaganda that the Germans used in the run-up to the Second World War.

So after the Second World War, there was a very strong reaction in the European archaeological community—not just the Germans, but the broad continental European archaeological community—to the fact that their discipline had been used for these terrible political ends. And there was a retreat from the ideas of Kossinna.

one of the things the ancient DNA is showing is actually the Corded Ware culture does correspond coherently to a group of people. [Editor’s note: The Corded Ware made pottery with cord-like ornamentation and according to ancient DNA studies, they descended from steppe ancestry.] I think that was a very sensitive issue to some of our coauthors

Our results are actually almost diametrically opposite from what Kossina thought because these Corded Ware people come from the East, a place that Kossina would have despised as a source for them.

it is true that there’s big population movements, and so I think what the DNA is doing is it’s forcing the hand of this discussion in archaeology, showing that in fact, major movements of people do occur. They are sometimes sharp and dramatic, and they involve large-scale population replacements over a relatively short period of time. We now can see that for the first time.

Zhang: As you say, the genetics data is now often ahead of the archaeology, and you keep finding these big, dramatic population replacements throughout human history that can’t yet be fully explained. How should we be thinking about these population replacements? Is there a danger in people interpreting or misinterpreting them as the result of one group’s superiority over another?

When you see these replacements of Neanderthals by modern humans or Europeans and Africans substantially replacing Native Americans in the last 500 years or the people who built Stonehenge, who were obviously extraordinarily sophisticated, being replaced from these people from the continent, it doesn’t say something about the innate potential of these people. But it rather says something about the different immune systems or cultural mismatch.

Zhang: On the point of immune systems, one of the hypotheses for why people from the steppe were so successful in spreading through Europe is that they brought the bubonic plague with them. Since the plague is endemic to Central Asia, they may have built up immunity but the European farmers they encountered had not.

ut there have been profound and Earth-shattering events, again and again, every few thousand years in our history and that’s what ancient DNA is telling us.

if you actually take any serious look at this data, it just confounds every stereotype. It’s revealing that the differences among populations we see today are actually only a few thousand years old at most and that everybody is mixed.

I think that if you pay any attention to this world, and have any degree of seriousness, then you can’t come out feeling affirmed in the racist view of the world. You have to be more open to immigration. You have to be more open to the mixing of different peoples. That’s your own history.

they have appeal in areas like the tech industry where mainstream conservatism presently has little influence, because (like fascism in its heyday) the new reaction blends nostalgia with a hyper-modernism

there is a third group of post-liberals, less prominent but still culturally significant: Religious dissenters. These are Western Christians, especially, who regard both liberal and neoconservative styles of Christian politics as failed experiments, doomed because they sought reconciliation with a liberal project whose professed tolerance stacks the deck in favor of materialism and unbelief.

Some of these religious dissenters are seeking a tactical retreat from liberal modernity, a subcultural resilience in the style of Orthodox Jews or Mennonites or Mormons.

others are interested in going on offense. In my own church, part of the younger generation seems disillusioned with post-Vatican II Catholic politics, and is drawn instead either to a revived Catholic integralism or a “tradinista” Catholic socialism — both of which affirm the “social kingship” of Jesus Christ, a phrase that attacks the modern liberal order at the root.

their ideas are, perhaps, genuinely dangerous to the order we take for granted in the West. Or — it all depends — they might be beneficial, because liberal civilization’s flourishing has often depended on forces that a merely procedural order can’t generate, on radical and religious correctives to a flattened view of human life.

She portrayed him as a questionable businessman with few specific plans and a limited grasp of the facts, advocating economic policies she repeatedly dubbed “Trumped-up trickle-down.”

In a debate that was scheduled to last 90 minutes but headed into overtime, Trump and Clinton jabbed each other in the fiercest series of exchanges in a presidential debate in modern times.

despite all the speculation beforehand that Trump would try to come across as having a more moderate temperament, he defended himself as fiercely as ever — flatly denying several assertions that have been documented as true by fact-checkers, including that he had supported the invasion of Iraq.

Trump needled Clinton a few hours before the debate on Twitter, a platform he has perfected as a political weapon.

History demonstrates that the first debate can be powerful enough to boost a candidate or wound one.

They typically have had the most impact when an incumbent president isn’t running

they have seen the movie and not read the book.

Their understanding of history, even recent history, is superficial. They grew up in the internet age and have filled their brainspace with information that came in the form of pictures and sounds. They learned through sensation, not through books, which demand something deeper from your brain

Reading forces you to imagine, question, ponder, reflect. It provides a deeper understanding of political figures and events.

A movie is received passively: You sit back, see, hear. Books demand and reward. When you read them your knowledge base deepens and expands. In time that depth comes to inform your work, sometimes in ways of which you’re not fully conscious.

In the past 18 months I talked to three young presidential candidates—people running for president, real grown-ups—who, it was clear to me by the end of our conversations, had, in their understanding of modern American political history, seen the movie and not read the book.

Two of them, I’ve come to know, can recite whole pages of dialogue from movies. (It is interesting to me that the movies our politicians have most memorized are “The Godfather” Parts I and II.)

Everyone in politics is getting much of what they know through the internet, through Google searches and Wikipedia. They can give you a certain sense of things but are by nature quick and shallow reads that link to other quick and shallow reads.

Sometimes subjects are treated in a tendentious manner, reflecting the biases or limited knowledge of the writer.

If you get your information mostly through the Web, you’ll get stuck in “The Shallows,” which is the name of a book by Nicholas Carr about what the internet is doing to our brains

Media, he reminds us, are not just channels of information: “They supply the stuff of thought, but they also shape the process of thought.”

The internet is chipping away at our “capacity for concentration and contemplation.” “Once I was a scuba driver in the sea of words,” writes Mr. Carr. “Now I zip along the surface like a guy on a Jet Ski.”

If you can’t read deeply you will not be able to think deeply. If you can’t think deeply you will not be able to lead well, or report well.

We were commenting on Russian sites — all sorts of them, LiveJournal for example, and all the Russian news websites. Wherever a given news item appeared on Russian websites, trolls were immediately created to provide the illusion of support.

There were two shifts of 12 hours, day and night. You had to arrive exactly on time, that is, from 9 a.m. to 9 p.m. There were production norms, for example, 135 comments of 200 characters each. … You come in and spend all day in a room with the blinds closed and 20 computers. There were multiple such rooms spread over four floors. It was like a production line, everyone was busy, everyone was writing something. You had the feeling that you had arrived in a factory rather than a creative place.

You got a list of topics to write about. Every piece of news was taken care of by three trolls each, and the three of us would make up an act. We had to make it look like we were not trolls but real people. One of the three trolls would write something negative about the news, the other two would respond, “You are wrong,” and post links and such. And the negative one would eventually act convinced. Those are the kinds of plays we had to act out.

We didn’t visit other departments, but I knew there was a “Facebook department.” … It wasn’t a secret. We all had essentially the same topics, they were focused on American readers and we were focused on Russians.

I speak English, and they asked me if I would like to transfer to the Facebook department. The pay there was two times as high. I said, “Well, let me try.” I failed the test because you had to know English perfectly. The reader must not have the feeling that you are a foreigner. The language demands were in fact very high, they were demanding high-end translators, basically.

And what were the people like who worked in the American department? I would see them on smoking breaks. … They were totally modern-looking young people, like hipsters, wearing fashionable clothes with stylish haircuts and modern devices. They were so modern that you wouldn’t think they could do something like this.

But Islam, like other religions, has also known periods when it inspired in some of its followers a mood of hatred and violence. It is our misfortune that part, though by no means all or even most, of the Muslim world is now going through such a period

At times this hatred goes beyond hostility to specific interests or actions or policies or even countries and becomes a rejection of Western civilization as such, not only what it does but what it is, and the principles and values that it practices and professes. These are indeed seen as innately evil, and those who promote or accept them as the "enemies of God.

It must surely be clear that what won support for such totally diverse doctrines was not Nazi race theory, which can have had little appeal for Arabs, or Soviet atheistic communism, which can have had little appeal for Muslims, but rather their common anti-Westernism

In the classical Islamic view, to which many Muslims are beginning to return, the world and all mankind are divided into two: the House of Islam, where the Muslim law and faith prevail, and the rest, known as the House of Unbelief or the House of War, which it is the duty of Muslims ultimately to bring to Islam

But the greater part of the world is still outside Islam, and even inside the Islamic lands, according to the view of the Muslim radicals, the faith of Islam has been undermined and the law of Islam has been abrogated. The obligation of holy war therefore begins at home and continues abroad, against the same infidel enemy.

Like every other civilization known to human history, the Muslim world in its heyday saw itself as the center of truth and enlightenment, surrounded by infidel barbarians whom it would in due course enlighten and civilize.

Among the components in the mood of anti-Westernism, and more especially of anti-Americanism, were certain intellectual influences coming from Europe

One of these was from Germany, where a negative view of America formed part of a school of thought by no means limited to the Nazis but including writers as diverse as Rainer Maria Rilke, Ernst Junger, and Martin Heidegger. In this perception, America was the ultimate example of civilization without culture

German philosophy, and particularly the philosophy of education, enjoyed a considerable vogue among Arab and some other Muslim intellectuals in the thirties and early forties, and this philosophic anti-Americanism was part of the message.

sophy, even more anti-American, took its place—the Soviet version of Marxism, with a denunciation of Western capitalism

Not all the ideas imported from the West by Western intruders or native Westernizers have been rejected. Some have been accepted by even the most radical Islamic fundamentalists, usually without acknowledgment of source, and suffering a sea change into something rarely rich but often strange

The cause most frequently adduced for anti-American feeling among Muslims today is American support for Israel. This support is certainly a factor of importance

Despite this monotheism, Islam, like Judaism and Christianity, was at various stages influenced, especially in Iran, by the dualist idea of a cosmic clash of good and evil, light and darkness, order and chaos, truth and falsehood, God and the Adversary, variously known as devil, Iblis, Satan, and by other names.

More than ever before it is Western capitalism and democracy that provide an authentic and attractive alternative to traditional ways of thought and life. Fundamentalist leaders are not mistaken in seeing in Western civilization the greatest challenge to the way of life that they wish to retain or restore for their people.

Ultimately, the struggle of the fundamentalists is against two enemies, secularism and modernism. The war against secularism is conscious and explicit, and there is by now a whole literature denouncing secularism as an evil neo-pagan force in the modern world and attributing it variously to the Jews, the West, and the United States.

The war against modernity is for the most part neither conscious nor explicit, and is directed against the whole process of change that has taken place in the Islamic world in the past century or more and has transformed the political, economic, social, and even cultural structures of Muslim countries.

Islamic fundamentalism has given an aim and a form to the otherwise aimless and formless resentment and anger of the Muslim masses at the forces that have devalued their traditional values and loyalties and, in the final analysis, robbed them of their beliefs, their aspirations, their dignity, and to an increasing extent even their livelihood.

The instinct of the masses is not false in locating the ultimate source of these cataclysmic changes in the West and in attributing the disruption of their old way of life to the impact of Western domination, Western influence, or Western precept and example.

And since the United States is the legitimate heir of European civilization and the recognized and unchallenged leader of the West, the United States has inherited the resulting grievances and become the focus for the pent-up hate and anger.

It should by now be clear that we are facing a mood and a movement far transcending the level of issues and policies and the governments that pursue them.

This is no less than a clash of civilizations—the perhaps irrational but surely historic reaction of an ancient rival against our Judeo-Christian heritage, our secular present, and the worldwide expansion of both

It is crucially important that we on our side should not be provoked into an equally historic but also equally irrational reaction against that rival.

Another explanation, more often heard from Muslim dissidents, attributes anti-American feeling to American support for hated regimes, seen as reactionary by radicals, as impious by conservatives, as corrupt and tyrannical by both. This accusation has some plausibility

One such was political freedom, with the associated notions and practices of representation, election, and constitutional government. Even the Islamic Republic of Iran has a written constitution and an elected assembly

Muslim states have also retained many of the cultural and social customs of the West and the symbols that express them, such as the form and style of male (and to a much lesser extent female) clothing, notably in the military.

The movement nowadays called fundamentalism is not the only Islamic tradition. There are others, more tolerant, more open, that helped to inspire the great achievements of Islamic civilization in the past, and we may hope that these other traditions will in time prevail

But before this issue is decided there will be a hard struggle, in which we of the West can do little or nothing

To this end we must strive to achieve a better appreciation of other religious and political cultures, through the study of their history, their literature, and their achievements

Cave painting represents one of the most concrete examples of symbolic behavior, but experts have struggled to establish ages for these important prehistoric creations.

To calculate more accurate dates, the researchers tested a variety of abstract images from Spanish cave walls, including hand stencils and red disks at the El Castillo site.

The Neanderthal authorship theory is sure to raise a few eyebrows, Zilhão admitted, but it supports a growing body of evidence that the species was no less modern or human than modern humans.